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Members only resource
PP163 - Making a calibration curve for starch using colorimetry
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This provides a method to plot a calibration curve using the starch-iodine reaction. 
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Members only resource
GL174 - Make-it guide - a simple colorimeter
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Instructions to make a novel and inexpensive general colorimeter using LEDs. We would welcome feedback from users.
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Members only resource
GL192 - A technical guide to setting up and using the CLEAPSS colorimeter
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This document contains:An outline of colorimetryThe principles of the CLEAPSS colorimeterUsing a CLEAPSS colorimeter which has been set upSetting up the CLEAPSS colorimeterproducing a calibration curv.. more
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Members only resource
PP017 - Investigating the breakdown of beetroot membranes
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To help students understand how cell membrane integrity is affected by the environment surrounding the cell. Beetroot membranes are a good model for investigating this because the pigments that diffus.. more
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GL382 - lamps for photosynthesis
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A guide to choosing and using lamps for photosynthesis activities.
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Members only resource
PP016 - Investigating photosynthetic dehydrogenase activity in chloroplasts: the Hill reaction
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A more straight forward activity than that done traditionally. Includes all practical instructions and some brief notes on DCPIP.
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Members only resource
Bulletin 167 - Spring 2020
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Another jam packed edition of the Bulletin :-- Fake news from the Director - Update on the renewal process- Who pays for CLEAPSS membership- Gatsby project update- Using light bulbs in biology- Online.. more
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Members only resource
GL028 - Conduction through hot glass
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You can demonstrate that hot glass is an electrical conductor (hot glass is actually an example of a solid electrolyte). This is counterintuitive because at room temperature, glass is a good electrica.. more
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Free resource
GL125 - Microscope buying guide
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Guidance on buying microscopes for use by students up to GCSE and at A Level.
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Members only resource
RB089 - Eosin
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Guidance on how to prepare eosin.
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Showing results 1 to 10 of 353
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